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David Beazley
2020-05-28 17:41:59 -05:00
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Notes/08_Testing_debugging/03_Debugging.md
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@@ -1,3 +1,5 @@
[Contents](../Contents) \| [Previous (8.2 Logging)](02_Logging) \| [Next (9 Packages)](../09_Packages/00_Overview)
# 8.3 Debugging
### Debugging Tips
@@ -62,7 +64,8 @@ AttributeError: 'int' object has no attribute 'append'
>>>
```
It preserves the interpreter state. That means that you can go poking around after the crash. Checking variable values and other state.
It preserves the interpreter state. That means that you can go poking
around after the crash. Checking variable values and other state.
### Debugging with Print
@@ -102,7 +105,9 @@ def some_function():
```
This starts the debugger at the `breakpoint()` call.
For earlier Python versions:
In earlier Python versions, you did this. You'll sometimes see this
mentioned in other debugging guides.
```python
import pdb
@@ -119,7 +124,9 @@ You can also run an entire program under debugger.
bash % python3 -m pdb someprogram.py
```
It will automatically enter the debugger before the first statement. Allowing you to set breakpoints and change the configuration.
It will automatically enter the debugger before the first
statement. Allowing you to set breakpoints and change the
configuration.
Common debugger commands: